Seattle Seafair Hydroplane Races 2024 Map. Whether you watch from the shore or the seafair log boom, be prepared for an exhilarating experience as hydroplane racers take corners at breakneck speeds; Here are five things to know about hydroplane racing:

Reaching up to 220 mph on straightaways! Winning the apollo mechanical cup hydroplane race is the goal of every team competing in the world’s fastest racing boats, and there is no better place or time to host that.